Tenn. Code Ann. § 68-11-408: Substitution of copies for original records.

(a) In view of the property right of the hospital or community mental health center in its records, original records may be withdrawn after introduction into evidence and copies substituted, unless otherwise directed for good cause by the court, judge, officer, body or tribunal conducting the hearing.

(b) The custodian may prepare copies of original records in advance of testifying for the purpose of making substitution of the original record, and the reasonable charges for making such copies shall be taxed as costs of court.

(c) If copies are not prepared in advance, they can be made and substituted at any time after introduction of the original record, and the reasonable charges for making such copies shall be taxed as costs of court.